[PATCH v11 0/8] Vswing / Pre-emphasis Override
Michał Grzelak <[email protected]>
| Newsgroups | org.freedesktop.lists.intel-gfx,org.freedesktop.lists.intel-xe |
|---|---|
| Organization | Intel Technology Poland sp. z o.o. - ul. Slowackiego 173, 80-298 Gdansk - KRS 101882 - NIP 957-07-52-316 |
| Message-ID | <[email protected]> |
Next version of [1]. v5 of IGT part is at [2].
Removed dead NULL check of devdata which is no longer needed.
Also improved code style of previous version.
This series still does not include LT patches.
Tested by loading xe with custom VBT#57 on PTL. Same for i915 on EHL.
Custom VBT#57 from PTL decoded by [2]:
Block 57 min size 2 less than block size 1154
BDB block 57 (1154 bytes, min 2 bytes) - Vswing Preemph:
Number of vswing tables: 6
Number of columns: 3
Number of rows: 16
PHY type: Cx0
Vswing Table #1 (C10: DP 1.4 RBR/HBR; C20: UNUSED):
Preset #01: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #02: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #03: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #04: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #05: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #06: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #07: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #08: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #09: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #10: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #11: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #12: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #13: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #14: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #15: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #16: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Vswing Table #2 (C10: DP 1.4 HBR2/HBR3; C20: UNUSED):
Preset #01: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #02: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #03: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #04: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #05: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #06: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #07: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #08: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #09: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #10: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #11: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #12: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #13: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #14: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #15: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #16: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Vswing Table #3 (C10: eDP non-HBR3; C20: UNUSED):
Preset #01: vswing: 0x0000001a, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #02: vswing: 0x00000021, pre-cursor: 0x00000000, post-cursor: 0x00000006
Preset #03: vswing: 0x00000026, pre-cursor: 0x00000000, post-cursor: 0x0000000b
Preset #04: vswing: 0x0000002b, pre-cursor: 0x00000000, post-cursor: 0x00000013
Preset #05: vswing: 0x00000027, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #06: vswing: 0x0000002d, pre-cursor: 0x00000000, post-cursor: 0x00000007
Preset #07: vswing: 0x0000002e, pre-cursor: 0x00000000, post-cursor: 0x0000000d
Preset #08: vswing: 0x0000002e, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #09: vswing: 0x00000037, pre-cursor: 0x00000000, post-cursor: 0x00000007
Preset #10: vswing: 0x0000003e, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #11: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #12: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #13: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #14: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #15: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #16: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Vswing Table #4 (C10: eDP HBR3; C20: UNUSED):
Preset #01: vswing: 0x0000001a, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #02: vswing: 0x00000021, pre-cursor: 0x00000000, post-cursor: 0x00000006
Preset #03: vswing: 0x00000026, pre-cursor: 0x00000000, post-cursor: 0x0000000b
Preset #04: vswing: 0x0000002b, pre-cursor: 0x00000000, post-cursor: 0x00000013
Preset #05: vswing: 0x00000027, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #06: vswing: 0x0000002d, pre-cursor: 0x00000000, post-cursor: 0x00000007
Preset #07: vswing: 0x0000002e, pre-cursor: 0x00000000, post-cursor: 0x0000000d
Preset #08: vswing: 0x0000002e, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #09: vswing: 0x00000037, pre-cursor: 0x00000000, post-cursor: 0x00000007
Preset #10: vswing: 0x0000003e, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #11: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #12: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #13: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #14: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #15: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #16: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Vswing Table #5 (C10: UNUSED; C20: DP 1.4):
Preset #01: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #02: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #03: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #04: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #05: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #06: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #07: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #08: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #09: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #10: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #11: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #12: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #13: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #14: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #15: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #16: vswing: 0x00000000, pre-cursor: 0x00000000, post-cursor: 0x00000000
Vswing Table #6 (C10: UNUSED; C20: DP 2.X):
Preset #01: vswing: 0x00000030, pre-cursor: 0x00000000, post-cursor: 0x00000000
Preset #02: vswing: 0x0000002b, pre-cursor: 0x00000000, post-cursor: 0x00000005
Preset #03: vswing: 0x00000028, pre-cursor: 0x00000000, post-cursor: 0x00000008
Preset #04: vswing: 0x00000025, pre-cursor: 0x00000000, post-cursor: 0x0000000b
Preset #05: vswing: 0x00000021, pre-cursor: 0x00000000, post-cursor: 0x0000000f
Preset #06: vswing: 0x0000002e, pre-cursor: 0x00000002, post-cursor: 0x00000000
Preset #07: vswing: 0x0000002a, pre-cursor: 0x00000002, post-cursor: 0x00000004
Preset #08: vswing: 0x00000026, pre-cursor: 0x00000002, post-cursor: 0x00000008
Preset #09: vswing: 0x00000023, pre-cursor: 0x00000002, post-cursor: 0x0000000b
Preset #10: vswing: 0x00000021, pre-cursor: 0x00000002, post-cursor: 0x0000000d
Preset #11: vswing: 0x0000002c, pre-cursor: 0x00000004, post-cursor: 0x00000000
Preset #12: vswing: 0x00000028, pre-cursor: 0x00000004, post-cursor: 0x00000004
Preset #13: vswing: 0x00000025, pre-cursor: 0x00000004, post-cursor: 0x00000007
Preset #14: vswing: 0x00000021, pre-cursor: 0x00000004, post-cursor: 0x0000000b
Preset #15: vswing: 0x00000028, pre-cursor: 0x00000008, post-cursor: 0x00000000
Preset #16: vswing: 0x0000001e, pre-cursor: 0x00000002, post-cursor: 0x00000002
Custom VBT#57 from EHL decoded by [2]:
Block 57 min size 2 less than block size 1322
BDB block 57 (1322 bytes, min 2 bytes) - Vswing Preemph:
Warning: purpose of tables varies between EHL & JSL
Number of vswing tables: 3
Number of columns: 11
Number of rows: 10
PHY type: Combo
Vswing Table #1 (High Vswing eDP/DP upto HBR3):
V0-P0:
dw2_swing_sel: 0x00000000, dw7_n_scalar: 0x00000000, dw4_cursor_coeff: 0x00000000,
dw4_post_cursor_2: 0x00000000, dw4_post_cursor_1: 0x00000000, rcomp_scalar: 0x00000000,
rterm_select: 0x00000000, tap3_disable: 0x00000000, tap2_disable: 0x00000000,
cursor_program: 0x00000000, coeff_polarity: 0x00000000
V0-P1:
dw2_swing_sel: 0x00000000, dw7_n_scalar: 0x00000000, dw4_cursor_coeff: 0x00000000,
dw4_post_cursor_2: 0x00000000, dw4_post_cursor_1: 0x00000000, rcomp_scalar: 0x00000000,
rterm_select: 0x00000000, tap3_disable: 0x00000000, tap2_disable: 0x00000000,
cursor_program: 0x00000000, coeff_polarity: 0x00000000
V0-P2:
dw2_swing_sel: 0x00000000, dw7_n_scalar: 0x00000000, dw4_cursor_coeff: 0x00000000,
dw4_post_cursor_2: 0x00000000, dw4_post_cursor_1: 0x00000000, rcomp_scalar: 0x00000000,
rterm_select: 0x00000000, tap3_disable: 0x00000000, tap2_disable: 0x00000000,
cursor_program: 0x00000000, coeff_polarity: 0x00000000
V0-P3:
dw2_swing_sel: 0x00000000, dw7_n_scalar: 0x00000000, dw4_cursor_coeff: 0x00000000,
dw4_post_cursor_2: 0x00000000, dw4_post_cursor_1: 0x00000000, rcomp_scalar: 0x00000000,
rterm_select: 0x00000000, tap3_disable: 0x00000000, tap2_disable: 0x00000000,
cursor_program: 0x00000000, coeff_polarity: 0x00000000
V1-P0:
dw2_swing_sel: 0x00000000, dw7_n_scalar: 0x00000000, dw4_cursor_coeff: 0x00000000,
dw4_post_cursor_2: 0x00000000, dw4_post_cursor_1: 0x00000000, rcomp_scalar: 0x00000000,
rterm_select: 0x00000000, tap3_disable: 0x00000000, tap2_disable: 0x00000000,
cursor_program: 0x00000000, coeff_polarity: 0x00000000
V1-P1:
dw2_swing_sel: 0x00000000, dw7_n_scalar: 0x00000000, dw4_cursor_coeff: 0x00000000,
dw4_post_cursor_2: 0x00000000, dw4_post_cursor_1: 0x00000000, rcomp_scalar: 0x00000000,
rterm_select: 0x00000000, tap3_disable: 0x00000000, tap2_disable: 0x00000000,
cursor_program: 0x00000000, coeff_polarity: 0x00000000
V1-P2:
dw2_swing_sel: 0x00000000, dw7_n_scalar: 0x00000000, dw4_cursor_coeff: 0x00000000,
dw4_post_cursor_2: 0x00000000, dw4_post_cursor_1: 0x00000000, rcomp_scalar: 0x00000000,
rterm_select: 0x00000000, tap3_disable: 0x00000000, tap2_disable: 0x00000000,
cursor_program: 0x00000000, coeff_polarity: 0x00000000
V2-P0:
dw2_swing_sel: 0x00000000, dw7_n_scalar: 0x00000000, dw4_cursor_coeff: 0x00000000,
dw4_post_cursor_2: 0x00000000, dw4_post_cursor_1: 0x00000000, rcomp_scalar: 0x00000000,
rterm_select: 0x00000000, tap3_disable: 0x00000000, tap2_disable: 0x00000000,
cursor_program: 0x00000000, coeff_polarity: 0x00000000
V2-P1:
dw2_swing_sel: 0x00000000, dw7_n_scalar: 0x00000000, dw4_cursor_coeff: 0x00000000,
dw4_post_cursor_2: 0x00000000, dw4_post_cursor_1: 0x00000000, rcomp_scalar: 0x00000000,
rterm_select: 0x00000000, tap3_disable: 0x00000000, tap2_disable: 0x00000000,
cursor_program: 0x00000000, coeff_polarity: 0x00000000
V3-P0:
dw2_swing_sel: 0x00000000, dw7_n_scalar: 0x00000000, dw4_cursor_coeff: 0x00000000,
dw4_post_cursor_2: 0x00000000, dw4_post_cursor_1: 0x00000000, rcomp_scalar: 0x00000000,
rterm_select: 0x00000000, tap3_disable: 0x00000000, tap2_disable: 0x00000000,
cursor_program: 0x00000000, coeff_polarity: 0x00000000
Vswing Table #2 (Low Vswing eDP upto HBR2):
V0-P0:
dw2_swing_sel: 0x0000000a, dw7_n_scalar: 0x00000033, dw4_cursor_coeff: 0x0000003f,
dw4_post_cursor_2: 0x00000000, dw4_post_cursor_1: 0x00000000, rcomp_scalar: 0x00000000,
rterm_select: 0x00000000, tap3_disable: 0x00000000, tap2_disable: 0x00000000,
cursor_program: 0x00000000, coeff_polarity: 0x00000000
V0-P1:
dw2_swing_sel: 0x0000000a, dw7_n_scalar: 0x00000047, dw4_cursor_coeff: 0x00000038,
dw4_post_cursor_2: 0x00000000, dw4_post_cursor_1: 0x00000007, rcomp_scalar: 0x00000000,
rterm_select: 0x00000000, tap3_disable: 0x00000000, tap2_disable: 0x00000000,
cursor_program: 0x00000000, coeff_polarity: 0x00000000
V0-P2:
dw2_swing_sel: 0x0000000c, dw7_n_scalar: 0x00000064, dw4_cursor_coeff: 0x00000033,
dw4_post_cursor_2: 0x00000000, dw4_post_cursor_1: 0x0000000c, rcomp_scalar: 0x00000000,
rterm_select: 0x00000000, tap3_disable: 0x00000000, tap2_disable: 0x00000000,
cursor_program: 0x00000000, coeff_polarity: 0x00000000
V0-P3:
dw2_swing_sel: 0x00000006, dw7_n_scalar: 0x0000007f, dw4_cursor_coeff: 0x0000002f,
dw4_post_cursor_2: 0x00000000, dw4_post_cursor_1: 0x00000010, rcomp_scalar: 0x00000000,
rterm_select: 0x00000000, tap3_disable: 0x00000000, tap2_disable: 0x00000000,
cursor_program: 0x00000000, coeff_polarity: 0x00000000
V1-P0:
dw2_swing_sel: 0x0000000a, dw7_n_scalar: 0x00000046, dw4_cursor_coeff: 0x0000003f,
dw4_post_cursor_2: 0x00000000, dw4_post_cursor_1: 0x00000000, rcomp_scalar: 0x00000000,
rterm_select: 0x00000000, tap3_disable: 0x00000000, tap2_disable: 0x00000000,
cursor_program: 0x00000000, coeff_polarity: 0x00000000
V1-P1:
dw2_swing_sel: 0x0000000c, dw7_n_scalar: 0x00000064, dw4_cursor_coeff: 0x00000037,
dw4_post_cursor_2: 0x00000000, dw4_post_cursor_1: 0x00000008, rcomp_scalar: 0x00000000,
rterm_select: 0x00000000, tap3_disable: 0x00000000, tap2_disable: 0x00000000,
cursor_program: 0x00000000, coeff_polarity: 0x00000000
V1-P2:
dw2_swing_sel: 0x00000006, dw7_n_scalar: 0x0000007f, dw4_cursor_coeff: 0x00000032,
dw4_post_cursor_2: 0x00000000, dw4_post_cursor_1: 0x0000000d, rcomp_scalar: 0x00000000,
rterm_select: 0x00000000, tap3_disable: 0x00000000, tap2_disable: 0x00000000,
cursor_program: 0x00000000, coeff_polarity: 0x00000000
V2-P0:
dw2_swing_sel: 0x0000000c, dw7_n_scalar: 0x00000061, dw4_cursor_coeff: 0x0000003f,
dw4_post_cursor_2: 0x00000000, dw4_post_cursor_1: 0x00000000, rcomp_scalar: 0x00000000,
rterm_select: 0x00000000, tap3_disable: 0x00000000, tap2_disable: 0x00000000,
cursor_program: 0x00000000, coeff_polarity: 0x00000000
V2-P1:
dw2_swing_sel: 0x00000006, dw7_n_scalar: 0x0000007f, dw4_cursor_coeff: 0x00000037,
dw4_post_cursor_2: 0x00000000, dw4_post_cursor_1: 0x00000008, rcomp_scalar: 0x00000000,
rterm_select: 0x00000000, tap3_disable: 0x00000000, tap2_disable: 0x00000000,
cursor_program: 0x00000000, coeff_polarity: 0x00000000
V3-P0:
dw2_swing_sel: 0x00000006, dw7_n_scalar: 0x0000007f, dw4_cursor_coeff: 0x0000003f,
dw4_post_cursor_2: 0x00000000, dw4_post_cursor_1: 0x00000000, rcomp_scalar: 0x00000000,
rterm_select: 0x00000000, tap3_disable: 0x00000000, tap2_disable: 0x00000000,
cursor_program: 0x00000000, coeff_polarity: 0x00000000
Vswing Table #3 (Low Vswing eDP upto HBR3):
V0-P0:
dw2_swing_sel: 0x00000000, dw7_n_scalar: 0x00000000, dw4_cursor_coeff: 0x00000000,
dw4_post_cursor_2: 0x00000000, dw4_post_cursor_1: 0x00000000, rcomp_scalar: 0x00000000,
rterm_select: 0x00000000, tap3_disable: 0x00000000, tap2_disable: 0x00000000,
cursor_program: 0x00000000, coeff_polarity: 0x00000000
V0-P1:
dw2_swing_sel: 0x00000000, dw7_n_scalar: 0x00000000, dw4_cursor_coeff: 0x00000000,
dw4_post_cursor_2: 0x00000000, dw4_post_cursor_1: 0x00000000, rcomp_scalar: 0x00000000,
rterm_select: 0x00000000, tap3_disable: 0x00000000, tap2_disable: 0x00000000,
cursor_program: 0x00000000, coeff_polarity: 0x00000000
V0-P2:
dw2_swing_sel: 0x00000000, dw7_n_scalar: 0x00000000, dw4_cursor_coeff: 0x00000000,
dw4_post_cursor_2: 0x00000000, dw4_post_cursor_1: 0x00000000, rcomp_scalar: 0x00000000,
rterm_select: 0x00000000, tap3_disable: 0x00000000, tap2_disable: 0x00000000,
cursor_program: 0x00000000, coeff_polarity: 0x00000000
V0-P3:
dw2_swing_sel: 0x00000000, dw7_n_scalar: 0x00000000, dw4_cursor_coeff: 0x00000000,
dw4_post_cursor_2: 0x00000000, dw4_post_cursor_1: 0x00000000, rcomp_scalar: 0x00000000,
rterm_select: 0x00000000, tap3_disable: 0x00000000, tap2_disable: 0x00000000,
cursor_program: 0x00000000, coeff_polarity: 0x00000000
V1-P0:
dw2_swing_sel: 0x00000000, dw7_n_scalar: 0x00000000, dw4_cursor_coeff: 0x00000000,
dw4_post_cursor_2: 0x00000000, dw4_post_cursor_1: 0x00000000, rcomp_scalar: 0x00000000,
rterm_select: 0x00000000, tap3_disable: 0x00000000, tap2_disable: 0x00000000,
cursor_program: 0x00000000, coeff_polarity: 0x00000000
V1-P1:
dw2_swing_sel: 0x00000000, dw7_n_scalar: 0x00000000, dw4_cursor_coeff: 0x00000000,
dw4_post_cursor_2: 0x00000000, dw4_post_cursor_1: 0x00000000, rcomp_scalar: 0x00000000,
rterm_select: 0x00000000, tap3_disable: 0x00000000, tap2_disable: 0x00000000,
cursor_program: 0x00000000, coeff_polarity: 0x00000000
V1-P2:
dw2_swing_sel: 0x00000000, dw7_n_scalar: 0x00000000, dw4_cursor_coeff: 0x00000000,
dw4_post_cursor_2: 0x00000000, dw4_post_cursor_1: 0x00000000, rcomp_scalar: 0x00000000,
rterm_select: 0x00000000, tap3_disable: 0x00000000, tap2_disable: 0x00000000,
cursor_program: 0x00000000, coeff_polarity: 0x00000000
V2-P0:
dw2_swing_sel: 0x00000000, dw7_n_scalar: 0x00000000, dw4_cursor_coeff: 0x00000000,
dw4_post_cursor_2: 0x00000000, dw4_post_cursor_1: 0x00000000, rcomp_scalar: 0x00000000,
rterm_select: 0x00000000, tap3_disable: 0x00000000, tap2_disable: 0x00000000,
cursor_program: 0x00000000, coeff_polarity: 0x00000000
V2-P1:
dw2_swing_sel: 0x00000000, dw7_n_scalar: 0x00000000, dw4_cursor_coeff: 0x00000000,
dw4_post_cursor_2: 0x00000000, dw4_post_cursor_1: 0x00000000, rcomp_scalar: 0x00000000,
rterm_select: 0x00000000, tap3_disable: 0x00000000, tap2_disable: 0x00000000,
cursor_program: 0x00000000, coeff_polarity: 0x00000000
V3-P0:
dw2_swing_sel: 0x00000000, dw7_n_scalar: 0x00000000, dw4_cursor_coeff: 0x00000000,
dw4_post_cursor_2: 0x00000000, dw4_post_cursor_1: 0x00000000, rcomp_scalar: 0x00000000,
rterm_select: 0x00000000, tap3_disable: 0x00000000, tap2_disable: 0x00000000,
cursor_program: 0x00000000, coeff_polarity: 0x00000000
BR,
Michał
[1] https://lore.kernel.org/intel-gfx/[email protected]/
[2] https://lore.kernel.org/igt-dev/[email protected]/
---
Changelog:
v10->v11
- remove no-longer-relevant check for NULL devdata (Jani)
- initialize local variables at declaration block (Jani)
- branch with 'else` instead of initializing twice (Jani)
- use blank line before 'return` (Jani)
v9->v10
- drop deconstifying default tables (Suraj, Jani)
- add separate non-const field for `entries` caching
- cache `entries` into const field after data is overwritten (Jani)
- call dedicated VS/PE-O vfunc
v8->v9
- init vspeo before using it
- deconstify intel_ddi_buf_trans_entry in separate commit
v7->v8
- remove comments (Suraj)
- add check for LT (Suraj)
v6->v7
- parse VBT#57 before blocks dependant on child device list (Jani)
- expand VS/PE-O acronym in debug logging (Jani)
- handle VS/PE-O's VBT details in intel_bios_* functions (Jani)
- remove vspeo's cast to (void *) (Jani)
- check devdata->vspeo if VS/PE-O was requested
- call encoder->get_buf_trans() once (Jani)
- return NULL from intel_bios_get_* when using default (Jani)
- validate VS/PE-O in intel_bios.c (Jani)
- inline *_get_vspeo_buf_trans()
- remove temporarily LT
v5->v6
- check if devdata is not NULL
- add Bspec (Suraj)
- remove drm_WARN_ONCE (Suraj)
- pass default VS/PE tables to LT's BIOS accessor (Suraj)
- set txswing & _level from default VS/PE tables (Suraj)
- add helper checking if VS/PE-O has been allocated (Suraj)
v4->v5
- set devdata->vspeo->num_entries in intel_bios.c
- add if-ladder instead of function pointer
- blend index computation with table parsing
- remove WARN and debug messages
- remove enums entirely
- add spaces around operators (Suraj)
- remove spaces after type casting (Suraj)
- remove INTEL_DISPLAY_STATE_WARN (Suraj)
- change funcs prefix from snps_ to mtl_ (Suraj)
v3->v4
- add Bspec (Suraj)
- remove unnecessary init of VS/PE-O metadata (Suraj)
- add helper for computing number of rows (Suraj)
- fix num_rows's type (Jani, Suraj)
- declare num_rows (Suraj)
- change debug message when requesting VS/PE-O (Suraj)
- stick to solely changing VBT data into current structures (Jani)
- move iterator declaration to declaration block (Suraj)
v2->v3
- remove unnecessary braces from if block (Suraj)
- return -EINVAL instead of -1 (Suraj)
Michał Grzelak (8):
drm/i915/bios: search for VBT #57 by default
drm/i915/bios: store VBT #57's metadata in intel_vbt_data
drm/i915/bios: print VS/PE-O port info
drm/i915/bios: de/allocate VS/PE-O buffers for each port
drm/i915/buf_trans: add vfunc for VS/PE-O
drm/i915: override Snps's VS/PE when requested
drm/i915: override Combo's VS/PE when requested
drm/i915/bios: remove VS/PE-O warning
drivers/gpu/drm/i915/display/intel_bios.c | 267 +++++++++++++++++-
drivers/gpu/drm/i915/display/intel_bios.h | 14 +
.../drm/i915/display/intel_ddi_buf_trans.c | 86 +++++-
.../gpu/drm/i915/display/intel_display_core.h | 7 +
.../drm/i915/display/intel_display_types.h | 3 +
5 files changed, 363 insertions(+), 14 deletions(-)
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2.45.2